I was a power user of Evernote for years, using it for everything. But I didn't like the direction Evernote was going, pulling features I depended on with no warning and wasting their time on paper notebooks and other things instead of fixing their product.
So I moved to OneNote and find it works excellent for me.
Here is a
"OneNote vs Evernote" article I wrote about my experience, highlighting the strengths and weaknesses of each tool.